End-tidal CO 2 on admission is associated with hemorrhagic shock and predicts the need for massive transfusion as defined by the critical administration threshold: A pilot study
Critical administration threshold (≥3 units of packed red blood cells/h or CAT+) has been proposed as a new definition for massive transfusion (MT) that includes volume and rate of blood transfusion. CAT+ has been shown to eliminate survivor bias and be a better predictor of mortality than the tradi...
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| Veröffentlicht in: | Injury 2017-01, Vol.48 (1), p.51 |
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| creator | Stone, Jr, Melvin E Kalata, Stanley Liveris, Anna Adorno, Zachary Yellin, Shira Chao, Edward Reddy, Srinivas H Jones, Michael Vargas, Carlos Teperman, Sheldon |
| description | Critical administration threshold (≥3 units of packed red blood cells/h or CAT+) has been proposed as a new definition for massive transfusion (MT) that includes volume and rate of blood transfusion. CAT+ has been shown to eliminate survivor bias and be a better predictor of mortality than the traditional MT (>10 units/24h). End-tidal CO
(ET CO
) negatively correlates with lactate and is an early predictor of shock in trauma patients. We conducted a pilot study to test the hypothesis that low ET CO
on admission predicts CAT+.
ET CO
via capnography and serum lactate were prospectively collected on admission for 131 patients requiring trauma team activation. Demographic data were obtained from patient charts. Excluded were patients with isolated head injuries, traumatic arrests, or pre-hospital intubations. CAT± status was determined for each hour up to 6h from admission as described; likewise, MT± status was determined up to 24h from admission.
After exclusion criteria, 67 patients were analyzed. Mean age was 41.2 (SD 18.5). Thirty-three patients had a blunt mechanism of injury (49%), median ISS was 9 (interquartile range 4-19), and there were 6 deaths (9%). ET CO
and lactate were negatively correlated by Spearman rank-based correlation (rho=-0.41, p=0.0006). Twenty-one (31%) and 8 (12%) patients were CAT+ and traditional MT+, respectively. There were a significantly greater proportion of patients with ISS>15, ET CO |
| format | Article |
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(ET CO
) negatively correlates with lactate and is an early predictor of shock in trauma patients. We conducted a pilot study to test the hypothesis that low ET CO
on admission predicts CAT+.
ET CO
via capnography and serum lactate were prospectively collected on admission for 131 patients requiring trauma team activation. Demographic data were obtained from patient charts. Excluded were patients with isolated head injuries, traumatic arrests, or pre-hospital intubations. CAT± status was determined for each hour up to 6h from admission as described; likewise, MT± status was determined up to 24h from admission.
After exclusion criteria, 67 patients were analyzed. Mean age was 41.2 (SD 18.5). Thirty-three patients had a blunt mechanism of injury (49%), median ISS was 9 (interquartile range 4-19), and there were 6 deaths (9%). ET CO
and lactate were negatively correlated by Spearman rank-based correlation (rho=-0.41, p=0.0006). Twenty-one (31%) and 8 (12%) patients were CAT+ and traditional MT+, respectively. There were a significantly greater proportion of patients with ISS>15, ET CO
<35, or who died found to be CAT+. A binomial logistic regression model adjusting for age, SBP <90, HR, and ISS >15 revealed ET CO
< 35 to be independently predictive of CAT+ (OR 9.24, 95% CI 1.51-56.57, p=0.016).
This pilot study demonstrated that low ET CO
had strong association with standard indicators for shock and was predictive of patients meeting CAT+ criteria in the first 6h after admission. Further study to verify these results and to elucidate CAT criteria's association with mortality will require a larger sample size.</description><identifier>EISSN: 1879-0267</identifier><identifier>PMID: 27712903</identifier><language>eng</language><publisher>Netherlands</publisher><subject>Adult ; Biomarkers - blood ; Blood Transfusion - methods ; Capnography - methods ; Carbon Dioxide - blood ; Clinical Protocols ; Female ; Hemorrhage - complications ; Hemorrhage - mortality ; Hospital Mortality ; Humans ; Hypocapnia - etiology ; Hypocapnia - mortality ; Injury Severity Score ; Male ; Middle Aged ; Predictive Value of Tests ; Prospective Studies ; Shock, Hemorrhagic - etiology ; Shock, Hemorrhagic - mortality ; Shock, Hemorrhagic - prevention & control ; Time Factors ; Trauma Centers ; Treatment Outcome ; United States - epidemiology ; Wounds and Injuries - complications ; Wounds and Injuries - mortality ; Wounds and Injuries - therapy</subject><ispartof>Injury, 2017-01, Vol.48 (1), p.51</ispartof><rights>Copyright © 2016 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27712903$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Stone, Jr, Melvin E</creatorcontrib><creatorcontrib>Kalata, Stanley</creatorcontrib><creatorcontrib>Liveris, Anna</creatorcontrib><creatorcontrib>Adorno, Zachary</creatorcontrib><creatorcontrib>Yellin, Shira</creatorcontrib><creatorcontrib>Chao, Edward</creatorcontrib><creatorcontrib>Reddy, Srinivas H</creatorcontrib><creatorcontrib>Jones, Michael</creatorcontrib><creatorcontrib>Vargas, Carlos</creatorcontrib><creatorcontrib>Teperman, Sheldon</creatorcontrib><title>End-tidal CO 2 on admission is associated with hemorrhagic shock and predicts the need for massive transfusion as defined by the critical administration threshold: A pilot study</title><title>Injury</title><addtitle>Injury</addtitle><description>Critical administration threshold (≥3 units of packed red blood cells/h or CAT+) has been proposed as a new definition for massive transfusion (MT) that includes volume and rate of blood transfusion. CAT+ has been shown to eliminate survivor bias and be a better predictor of mortality than the traditional MT (>10 units/24h). End-tidal CO
(ET CO
) negatively correlates with lactate and is an early predictor of shock in trauma patients. We conducted a pilot study to test the hypothesis that low ET CO
on admission predicts CAT+.
ET CO
via capnography and serum lactate were prospectively collected on admission for 131 patients requiring trauma team activation. Demographic data were obtained from patient charts. Excluded were patients with isolated head injuries, traumatic arrests, or pre-hospital intubations. CAT± status was determined for each hour up to 6h from admission as described; likewise, MT± status was determined up to 24h from admission.
After exclusion criteria, 67 patients were analyzed. Mean age was 41.2 (SD 18.5). Thirty-three patients had a blunt mechanism of injury (49%), median ISS was 9 (interquartile range 4-19), and there were 6 deaths (9%). ET CO
and lactate were negatively correlated by Spearman rank-based correlation (rho=-0.41, p=0.0006). Twenty-one (31%) and 8 (12%) patients were CAT+ and traditional MT+, respectively. There were a significantly greater proportion of patients with ISS>15, ET CO
<35, or who died found to be CAT+. A binomial logistic regression model adjusting for age, SBP <90, HR, and ISS >15 revealed ET CO
< 35 to be independently predictive of CAT+ (OR 9.24, 95% CI 1.51-56.57, p=0.016).
This pilot study demonstrated that low ET CO
had strong association with standard indicators for shock and was predictive of patients meeting CAT+ criteria in the first 6h after admission. Further study to verify these results and to elucidate CAT criteria's association with mortality will require a larger sample size.</description><subject>Adult</subject><subject>Biomarkers - blood</subject><subject>Blood Transfusion - methods</subject><subject>Capnography - methods</subject><subject>Carbon Dioxide - blood</subject><subject>Clinical Protocols</subject><subject>Female</subject><subject>Hemorrhage - complications</subject><subject>Hemorrhage - mortality</subject><subject>Hospital Mortality</subject><subject>Humans</subject><subject>Hypocapnia - etiology</subject><subject>Hypocapnia - mortality</subject><subject>Injury Severity Score</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Predictive Value of Tests</subject><subject>Prospective Studies</subject><subject>Shock, Hemorrhagic - etiology</subject><subject>Shock, Hemorrhagic - mortality</subject><subject>Shock, Hemorrhagic - prevention & control</subject><subject>Time Factors</subject><subject>Trauma Centers</subject><subject>Treatment Outcome</subject><subject>United States - epidemiology</subject><subject>Wounds and Injuries - complications</subject><subject>Wounds and Injuries - mortality</subject><subject>Wounds and Injuries - therapy</subject><issn>1879-0267</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFz89OwzAMBvAICbHx5xWQX6BS2kqEcUPTEDcu3KcsTomhSarYBfWxeEOyCc6c7MPv8yefqXV7bzaN7u7MSl0yv2vdGt33F2rVGdN2G92v1fcuYSOEdoTtC3SQE1iMxEx1IwbLnB1Z8QhfJAGCj7mUYN_IAYfsPsAmhKl4JCcMEjwkX_GQC8Qapk8PUmziYT6dtAzoB0qVHJYTd4WEXO0_9ibiquUoJRRfG0Z8gEeYaMwCLDMu1-p8sCP7m995pW6fdq_b52aaD9HjfioUbVn2fz_2_4IfrTVgOQ</recordid><startdate>201701</startdate><enddate>201701</enddate><creator>Stone, Jr, Melvin E</creator><creator>Kalata, Stanley</creator><creator>Liveris, Anna</creator><creator>Adorno, Zachary</creator><creator>Yellin, Shira</creator><creator>Chao, Edward</creator><creator>Reddy, Srinivas H</creator><creator>Jones, Michael</creator><creator>Vargas, Carlos</creator><creator>Teperman, Sheldon</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope></search><sort><creationdate>201701</creationdate><title>End-tidal CO 2 on admission is associated with hemorrhagic shock and predicts the need for massive transfusion as defined by the critical administration threshold: A pilot study</title><author>Stone, Jr, Melvin E ; Kalata, Stanley ; Liveris, Anna ; Adorno, Zachary ; Yellin, Shira ; Chao, Edward ; Reddy, Srinivas H ; Jones, Michael ; Vargas, Carlos ; Teperman, Sheldon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-pubmed_primary_277129033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adult</topic><topic>Biomarkers - blood</topic><topic>Blood Transfusion - methods</topic><topic>Capnography - methods</topic><topic>Carbon Dioxide - blood</topic><topic>Clinical Protocols</topic><topic>Female</topic><topic>Hemorrhage - complications</topic><topic>Hemorrhage - mortality</topic><topic>Hospital Mortality</topic><topic>Humans</topic><topic>Hypocapnia - etiology</topic><topic>Hypocapnia - mortality</topic><topic>Injury Severity Score</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Predictive Value of Tests</topic><topic>Prospective Studies</topic><topic>Shock, Hemorrhagic - etiology</topic><topic>Shock, Hemorrhagic - mortality</topic><topic>Shock, Hemorrhagic - prevention & control</topic><topic>Time Factors</topic><topic>Trauma Centers</topic><topic>Treatment Outcome</topic><topic>United States - epidemiology</topic><topic>Wounds and Injuries - complications</topic><topic>Wounds and Injuries - mortality</topic><topic>Wounds and Injuries - therapy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Stone, Jr, Melvin E</creatorcontrib><creatorcontrib>Kalata, Stanley</creatorcontrib><creatorcontrib>Liveris, Anna</creatorcontrib><creatorcontrib>Adorno, Zachary</creatorcontrib><creatorcontrib>Yellin, Shira</creatorcontrib><creatorcontrib>Chao, Edward</creatorcontrib><creatorcontrib>Reddy, Srinivas H</creatorcontrib><creatorcontrib>Jones, Michael</creatorcontrib><creatorcontrib>Vargas, Carlos</creatorcontrib><creatorcontrib>Teperman, Sheldon</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><jtitle>Injury</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Stone, Jr, Melvin E</au><au>Kalata, Stanley</au><au>Liveris, Anna</au><au>Adorno, Zachary</au><au>Yellin, Shira</au><au>Chao, Edward</au><au>Reddy, Srinivas H</au><au>Jones, Michael</au><au>Vargas, Carlos</au><au>Teperman, Sheldon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>End-tidal CO 2 on admission is associated with hemorrhagic shock and predicts the need for massive transfusion as defined by the critical administration threshold: A pilot study</atitle><jtitle>Injury</jtitle><addtitle>Injury</addtitle><date>2017-01</date><risdate>2017</risdate><volume>48</volume><issue>1</issue><spage>51</spage><pages>51-</pages><eissn>1879-0267</eissn><abstract>Critical administration threshold (≥3 units of packed red blood cells/h or CAT+) has been proposed as a new definition for massive transfusion (MT) that includes volume and rate of blood transfusion. CAT+ has been shown to eliminate survivor bias and be a better predictor of mortality than the traditional MT (>10 units/24h). End-tidal CO
(ET CO
) negatively correlates with lactate and is an early predictor of shock in trauma patients. We conducted a pilot study to test the hypothesis that low ET CO
on admission predicts CAT+.
ET CO
via capnography and serum lactate were prospectively collected on admission for 131 patients requiring trauma team activation. Demographic data were obtained from patient charts. Excluded were patients with isolated head injuries, traumatic arrests, or pre-hospital intubations. CAT± status was determined for each hour up to 6h from admission as described; likewise, MT± status was determined up to 24h from admission.
After exclusion criteria, 67 patients were analyzed. Mean age was 41.2 (SD 18.5). Thirty-three patients had a blunt mechanism of injury (49%), median ISS was 9 (interquartile range 4-19), and there were 6 deaths (9%). ET CO
and lactate were negatively correlated by Spearman rank-based correlation (rho=-0.41, p=0.0006). Twenty-one (31%) and 8 (12%) patients were CAT+ and traditional MT+, respectively. There were a significantly greater proportion of patients with ISS>15, ET CO
<35, or who died found to be CAT+. A binomial logistic regression model adjusting for age, SBP <90, HR, and ISS >15 revealed ET CO
< 35 to be independently predictive of CAT+ (OR 9.24, 95% CI 1.51-56.57, p=0.016).
This pilot study demonstrated that low ET CO
had strong association with standard indicators for shock and was predictive of patients meeting CAT+ criteria in the first 6h after admission. Further study to verify these results and to elucidate CAT criteria's association with mortality will require a larger sample size.</abstract><cop>Netherlands</cop><pmid>27712903</pmid></addata></record> |
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| ispartof | Injury, 2017-01, Vol.48 (1), p.51 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Adult Biomarkers - blood Blood Transfusion - methods Capnography - methods Carbon Dioxide - blood Clinical Protocols Female Hemorrhage - complications Hemorrhage - mortality Hospital Mortality Humans Hypocapnia - etiology Hypocapnia - mortality Injury Severity Score Male Middle Aged Predictive Value of Tests Prospective Studies Shock, Hemorrhagic - etiology Shock, Hemorrhagic - mortality Shock, Hemorrhagic - prevention & control Time Factors Trauma Centers Treatment Outcome United States - epidemiology Wounds and Injuries - complications Wounds and Injuries - mortality Wounds and Injuries - therapy |
| title | End-tidal CO 2 on admission is associated with hemorrhagic shock and predicts the need for massive transfusion as defined by the critical administration threshold: A pilot study |
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